The total DB time currently accumulated in this chain.
The rest of the information in this section is only valid for this metric when it appears in either the Enterprise Manager Grid Control or the Enterprise Manager Database Control (if applicable).
The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.
|
Target Version |
Evaluation and Collection Frequency |
Upload Frequency |
Operator |
Default Warning Threshold |
Default Critical Threshold |
Consecutive Number of Occurrences Preceding Notification |
Alert Text |
|
10.1.0.x; 10.2.0.x; 11.1.0.x; 11.2.0.x |
Every 15 Minutes |
Not Uploaded |
> |
Not Defined |
Not Defined |
1 |
Total db time %value% seconds is consumed by %count% sessions blocked by session (%blocker_session_info%). |
For this metric you can set different warning and critical threshold values for each "ID(lockID1_lockID2_sesID_sesSerial#)" object.
If warning or critical threshold values are currently set for any "ID(lockID1_lockID2_sesID_sesSerial#)" object, those thresholds can be viewed on the Metric Detail page for this metric.
To specify or change warning or critical threshold values for each "ID(lockID1_lockID2_sesID_sesSerial#)" object, use the Edit Thresholds page. See Editing Thresholds for information on accessing the Edit Thresholds page.
v$lock and v$session
None
Related Topics
About Alerts
About the Metric Detail Page
Editing Thresholds
Understanding Line Charts
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